How dehydration impacts metabolism and muscle performance

Feb 22, 2025 Siddhartha Jana

Temporary muscle definition

Dehydration can cause subcutaneous water to decrease, which can briefly improve muscle definition. Source: Canva

Serious health risks

Prolonged dehydration can affect muscular and metabolic function, which can have detrimental health repercussions. Source: Canva

Disrupted metabolism

Muscle cramps, weakness, lightheadedness, and heart issues are all consequences of cellular dehydration's impact on metabolic processes. Source: Canva

No benefit to fat loss

Cutting back on water causes weight loss in the short term because body water retention decreases, but fat loss does not occur. Source: Canva

Slower metabolism

Dehydration hinders fat oxidation and slows metabolism, which makes it more difficult to maintain a healthy weight over the long run. Source: Canva

Sustainable approach

For long-term benefits, a healthy lifestyle calls for regular exercise, a balanced diet, and adequate hydration. Source: Canva

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